the midwest, brought heavy rains and wind to the south, and shrouded the city of atlanta in fog. at least two reported tornadoes touched down in the houston area. one man was killed when a toppled tree flattened his pickup truck. by mid-afternoon, nearly 70,000 people in the houston area were without power. meteorologist david bernard says it's only going to get worse. >> this is a wide-ranging storm, as far as impacts go. there's a tornado threat in the south all the way into the southeast for tomorrow. north of that, arkansas into tennessee, indiana, parts of missouri and even into ohio, the threat will be for blizzard conditions developing later tonight and tomorrow. >> reporter: and all that bad weather is tracking east, with the bulk of it hitting the northeast by wednesday night. nm? >> thanks, michelle. police are learning more about what led to the ambush of four firemen yesterday in webster, ebstyork. there is a memorial outside the firehouse to michael chip rene and thomas kaczowka. they were shot and killed by the gunman william spengler, who later killed himself. he l